Finding the Third Proportional to 123,151.59 and 266,543.53

Step by Step Solution

1. Step 1: Write the proportion equation
   123,151.59 : 266,543.53 = 266,543.53 : x
2. Step 2: Convert to fraction form
   123,151.59/266,543.53 = 266,543.53/x
3. Step 3: Cross multiply
   123,151.59x = 266,543.53 × 266,543.53
4. Step 4: Simplify right side
   123,151.59x = 71,045,454,051.22
5. Step 5: Solve for x
   x = 71,045,454,051.22/123,151.59
6. Step 6: Final answer
   x = 576,894.31